45m 60m 45m预应力混凝土连续梁桥设计文献综述

 2022-07-15 06:07

45m 60m 45m预应力混凝土连续梁桥设计

摘要:本次毕业设计是对45m 60m 45m预应力混凝土连续梁桥进行设计,本文通过对国内外相关文献的查阅与整理,总结出我对预应力混凝土连续箱型梁桥的一些认识。随着桥梁工程日新月异地发展,预应力混凝土连续梁桥由于其变形小、抗震性能好、抗裂性好、行车舒适等优点而在一般公路、高等级 公路和城市道路桥梁中得到了广泛的应用,而箱型截面由于其桥面接缝少、刚度大、整体性强,外形美观,便于养护等优点而成为预应力混凝土连续梁桥的常用截面形式。本文简单介绍预应力混凝土连续箱型梁桥的发展历史、结构特点、上部结构的设计要点以及工程软件的应用等方面。

关键词:预应力混凝土连续梁桥;箱型截面;结构特点;设计要点;软件应用。

ABSTRACT:This graduation project is the design of 45m 60m 45m prestressed concrete continuous beam bridge. This paper summarizes my understanding of prestressed concrete continuous box beam bridge by reviewing and collating relevant literature at home and abroad. With the rapid development of bridge engineering, prestressed concrete continuous beam bridges have been widely used in general roads, high-grade highways and urban road bridges due to their smaller deformation, better seismic performance,better crack resistance and comfortable driving. The box section has become a common section form of prestressed concrete continuous beam bridges due to its smaller number of bridge joints, higher rigidity, stronger integrity,more beautiful appearance and easier maintenance. This paper briefly introduces the development history, structural features of the prestressed concrete continuous box beam bridge, the key points of design of the superstructure and the application of engineering software.

Key words:Prestressed concrete continuous beam bridge;Box section;Structural features;Key points of design;Software application

目录

1 工程概况 1

2 预应力混凝土连续箱型梁桥发展概况 1

2.1 我国连续梁桥的发展 1

2.2 预应力混凝土连续梁桥的发展趋势 2

2.3 相关规范的发展 2

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